Which of the Following Biomolecules Is NOT Correctly Matched to One

question 19

Multiple Choice

Which of the following biomolecules is NOT correctly matched to one of its roles?

• A) glucose; used by cells to perform work
• B) fats; source of energy for cells
• C) proteins; build cell components
• D) glycogen; long-term energy storage
• E) carbohydrates; source of glucose

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Definitions:

Signaling Pathway

Complex networks of molecules that transmit information from external stimuli to a cell's interior, triggering specific cellular responses.

Phosphodiesterase

An enzyme that plays a critical role in cellular signaling by breaking down phosphodiester bonds within cyclic nucleotides like cAMP and cGMP.

cAMP

A second messenger important in many biological processes, known formally as cyclic adenosine monophosphate.

Phosphorylated Protein

A protein that has undergone the addition of a phosphate group, which can affect the protein's function and activity.